Continuing the geometric trend, here is one more.
Source Mike Warner
Never out of fashion and so much hotter than the 45º everyone knows, here is a sweet 60º line pattern.
Source Atle Mo
Spice up your next school project with this icon background.
Source Swetha
In the spirit of WWDC 2011, here is a dark iOS inspired linen pattern.
Source Atle Mo
Prismatic Groovy Concentric Background 3
Source GDJ
Pattern Background, Texture, Photoshop Structure style CC0 texture.
Source Darkmoon1968
A seamless pattern recreated from an image on Pixabay. It is reminiscent of parquet flooring and is formed from a square tile, which can be recovered in Inkscape by selecting the ungrouped rectangle and using shift-alt-I together.
Source Firkin
Drawn in Paint.net using the kaleidoscope plug-in and vectorised.
Source Firkin
From a drawing in 'Resa i Afrika, genom Angola, Ovampo och Damaraland', P. Moller, 1899.
Source Firkin
Prismatic Curved Diamond Pattern 8 No Background
Source GDJ
Prismatic Curved Diamond Pattern 2 No Background
Source GDJ
CC0 and a seamless pattern from a tile drawn in Paint.net .
Source SliverKnight
Light gray version of the Binding pattern that looks a bit like fabric.
Source Newbury
Dark squares with some virus-looking dots in the grid.
Source Hugo Loning
Pattern #100! A black classic knit-looking pattern.
Source Factorio.us Collective
Could remind you a bit of those squares in Super Mario Bros, yeh?
Source Jeff Wall
The tile this is based on can be retrieved by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
Abstract Ellipses Background Grayscale
Source GDJ
Looks like an old wall. I guess that’s it then?
Source Viahorizon
Retro Circles Background 7 No Black
Source GDJ